Press release

28 Mar 2019

EY ShinNihon announces new EYSN Chairwoman & CEO

News Release

Press contact
EY Japan

Multidisciplinary professional services organization

Ernst & Young ShinNihon LLC (EYSN) is pleased to announce that today Masami Katakura, Senior Partner, was elected as our new Chairwoman & CEO at an Extraordinary Statutory Partners Meeting. Katakura will become the first woman to lead a Big 4 or mid-tier audit firm in Japan. She will take office effective 1 July 2019.

After assuming her new role, she plans to further advance the firm's key initiatives and fulfil our purpose of building a better working world by ensuring EYSN delivers high-quality services as part of our mission to maintain the confidence of all our stakeholders.

Furthermore, we are enhancing our organizational strengths by prioritizing diversity and inclusiveness, pushing forward with the advancement of women, as well as other initiatives.

Welcoming the appointment, Mark Weinberger, EY Global Chairman and CEO, says:

"I am incredibly proud and excited that Masami Katakura will be the new leader of our audit firm in Japan. Masami has a history of success at EY serving clients and as an executive board member. Being the first woman to lead a large audit firm speaks volume about Masami's dedication to quality, our people and our clients. I am hopeful she will pave the way for many more women leaders in Japan and across the globe."

Carmine Di Sibio, EY Global Chairman and CEO-elect, says:

"Masami Katakura embodies the future of assurance: she brings the perfect combination of knowledge, experience and innovation to one of the most significant roles in accounting and audit in Japan. As the profession embraces exciting new uses of technology to provide ever better services for clients, she will lead the business through its digital transformation. We are extremely excited for our future in assurance in Japan with Masami as our new leader."

Chairwoman & CEO

Masami Katakura - newly appointed

《 Biography 》

Date of Birth:       4 October 1968 (50 years old)
Place of Birth:      Tokyo, Japan
March 1991          Graduated from Meiji University's Faculty of
                               Business Administration, School of Business
October 1991      Joined the predecessor firm of EYSN
July 2011             Named Senior Partner of EYSN
February 2016     Assumed the position of Executive Board Member
                               and Managing Partner, Strategy Planning & BMC of
                               Managing Partner, Brand, Marketing and
                               Communications (BMC) of EY Japan
July 2019             Scheduled to assume the office of Chairman and
                               CEO of EYSN

About EY

EY is a global leader in assurance, tax, transaction and advisory services. The insights and quality services we deliver help build trust and confidence in the capital markets and in economies the world over. We develop outstanding leaders who team to deliver on our promises to all of our stakeholders. In doing so, we play a critical role in building a better working world for our people, for our clients and for our communities.
EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients. For more information about our organization, please visit


About EY Japan

EY Japan refers to the member firms of EY in Japan. EY Japan includes Ernst & Young ShinNihon LLC, Ernst & Young Tax Co., Ernst & Young Strategy and Transactions Co., Ltd. and EY Advisory & Consulting Co., Ltd. Each of these firms is a separate legal entity. For more information, please visit


About EY ShinNihon

Ernst & Young ShinNihon LLC is an EY member firm in Japan. We provide audit and assurance services as well as advisory and other services. For more information, please visit

For inquiries, please contact:

EY Japan BMC (Brand, Marketing and Communications)